<template>
  <view class="viewport">
    <!-- 自定义导航栏 -->
    <CustomNavbar/>
    <scroll-view @scrolltolower="onScrolltolower"
                 @refresherrefresh="onRefresherrefresh"
                 :refresher-triggered="isTriggered"
                 enable-back-to-top refresher-enabled class="scroll-view" scroll-y>
      <!-- 骨架屏 -->
      <PageSkeleton v-if="isLoading" />
      <!-- 自定义轮播图 -->
      <XtxSwiper :list="bannerList"/>
      <!-- 分类面板 -->
      <CategoryPanel :list="categoryList"/>
      <!-- 热门推荐数据 -->
      <HotPanel :list="hotList"/>
      <!-- 猜你喜欢 -->
      <XtxGuess  ref="guessRef"/>
    </scroll-view>

  </view>
</template>

<script setup lang="ts">
import {ref} from 'vue';
import {onLoad} from "@dcloudio/uni-app";

import CustomNavbar from './components/CustomNavbar.vue';
import HotPanel from "./components/HotPanel.vue";
import CategoryPanel from "./components/CategoryPanel.vue";

import type {BannerItem, CategoryItem, HotItem} from "@/types/home";
import {getHomeBannerAPI, getHomeCategoryAPI, getHomeHotAPI} from "@/services/home";
import { useGuessList } from '@/composables';
import PageSkeleton from './components/PageSkeleton.vue';

// 获取轮播图数据
const bannerList = ref<BannerItem[]>([]);
const getHomeBannerData = async () => {
  const res = await getHomeBannerAPI();
  bannerList.value = res.result;
}

// 获取前台分类数据
const categoryList = ref<CategoryItem[]>([]);
const getHomeCategoryData = async () => {
  const res = await getHomeCategoryAPI();
  categoryList.value = res.result;
}

// 获取热门推荐数据
const hotList = ref<HotItem[]>([]);
const getHomeHotData = async () => {
  const res = await getHomeHotAPI();
  hotList.value = res.result;
}

// 是否加载中标记
const isLoading = ref(false);


// 猜你喜欢组合式函数调用
const { guessRef, onScrolltolower } = useGuessList();
// 当前下拉刷新状态
const isTriggered = ref(false);
// 自定义下拉刷新被触发
const onRefresherrefresh = async () => {
  // 开始动画
  isTriggered.value = true;
  // 加载数据
  // await getHomeBannerData()
  // await getHomeCategoryData()
  // await getHomeHotData()
  // 重置猜你喜欢组件数据
  guessRef.value?.resetData();
  await Promise.all([
    getHomeBannerData(),
    getHomeCategoryData(),
    getHomeHotData(),
    guessRef.value?.getMore(),
  ])
  // 关闭动画
  isTriggered.value = false
}

// 页面加载
onLoad(async () => {
  isLoading.value = true
  await Promise.all([
    getHomeBannerData(), getHomeCategoryData(), getHomeHotData()
  ]);
  isLoading.value = false;
});

</script>

<style lang="scss">
page {
  background-color: #f7f7f7;
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.viewport {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.scroll-view {
  flex: 1;
  overflow: hidden;
}

</style>
